Aaron Wiener interviews Polly Donaldson—the recently hired head the Department of Housing and Community Development (DHCD) in Washington, D.C.—about her strategies for improving housing in the Nation's Capital.

D.C.'s fast-growing downtown neighborhoods have new restaurants, offices and apartments—but few playgrounds. With thousands of children expected to be born in the District in the next five years, where will they all play?

While transit ridership is up around the country, the D.C. Metro has experienced the opposite. The agency's planners aren't worried about those numbers, though. They're excited about development that's bringing more residents to transit-served areas.

In the wealthy community of Spring Valley, just inside the western boundaries of the District of Columbia, residents are opposing a proposed development by claiming the site—a parking lot—is a historic landmark.

As the District Department of Transportation (DDOT) quickly approaches the May target for the launch of ParkDC, Greater Greater Washington takes a closer look at what the performance parking program will entail.